136928877 has 8 divisors (see below), whose sum is σ = 192180960. Its totient is φ = 86481360.

The previous prime is 136928861. The next prime is 136928887. The reversal of 136928877 is 778829631.

136928877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136928877 - 2⁴ = 136928861 is a prime.

It is a super-2 number, since 2×136928877² = 37499034712962258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136928837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201074 + ... + 1201187.

It is an arithmetic number, because the mean of its divisors is an integer number (24022620).

Almost surely, 2^136928877 is an apocalyptic number.

It is an amenable number.

136928877 is a deficient number, since it is larger than the sum of its proper divisors (55252083).

136928877 is a wasteful number, since it uses less digits than its factorization.

136928877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402283.

The product of its digits is 1016064, while the sum is 51.

The square root of 136928877 is about 11701.6612923123. The cubic root of 136928877 is about 515.4244491543.

The spelling of 136928877 in words is "one hundred thirty-six million, nine hundred twenty-eight thousand, eight hundred seventy-seven".